Does unlocking bootloader make phone less secure?

When bootloader is unlocked it simply skips this check of digital signature . The bootloader comes unlocked for any phone be it be google pixel or xiaomi devices . The reason for that is a phone with a locked boot loader is more secure than one with unlocked bootloader .

Is unlocking bootloader necessary for rooting?

No, it’s not necessary to unlock bootloader for rooting. But flashing custom ROM or recovery is not possible without unlocking the bootloader because locked bootloader verify the ROM or recovery being flashed for company’s official signature and custom ROM doesn’t contain the official signature.

Can you get OTA with unlocked bootloader?

You cannot take OTA updates normally with an unlocked bootloader. The phone will download the update, but the update will fail.

What is OEM unlock bootloader?

The Option OEM-Unlock (available since Android. 5.0. “Lollipop”) is a checkbox in the developer options. It is used as a security feature against the unauthorized unlock of the bootloader of the device.

What is the use of bootloader in Android?

The bootloader loads the kernel into memory as a self-executable compressed binary. The kernel then decompresses itself and starts executing into memory. The bootloader loads init , either from the ramdisk partition (on older devices) or from the system partition (on newer devices).

Can I update Miui after unlock bootloader?

Yes you will get updates , but you might not be able to update it due to the fact of unlocked bootloader and custom recovery installed .

Will I get OTA updates if bootloader is unlocked Realme?

In most of the smartphones, you get the update even after unlocking the bootloader. The only thing is that the phone should not be rooted. If you mean OTA by the manufacturer of your phone, NO you cannot as ota updates require a secure and locked bootloader…